#3149B9#3149B9

#3149B9 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.8% C 0.178 H 268.9°. Best body text is #FFFFFF at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#3149B9
RGB	rgb(49, 73, 185)
HSL	hsl(229, 58%, 46%)
HSV	hsv(229, 74%, 73%)
CMYK	cmyk(73.5%, 60.5%, 0%, 27.5%)
CIE-LAB	lab(35.83, 30.21, -61.74)
CIE-LCH	lch(35.83, 68.74, 296.07°)
OKLab	oklab(45.85% -0.0035 -0.1783)
OKLCH	oklch(45.85% 0.178 268.9)
XYZ	xyz(12.4031, 8.9195, 46.9575)
Luminance	0.0892 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3149B9 #B9A131

analogous

#318DB9 #3149B9 #5D31B9

triadic

#3149B9 #B93149 #49B931

tetradic

#3149B9 #B9318D #B9A131 #31B95D

square

#3149B9 #B9318D #B9A131 #31B95D

split-complementary

#3149B9 #B95D31 #8DB931

monochromatic

#172358 #243689 #3149B9 #556BD2 #8695DF

Accessibility & contrast

On white

7.54

#3149B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#3149B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3149B9

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3149B9	#FFFFFF	#000000	##FFFFFF
##3149B9	1.00	7.54	2.78	7.54
#FFFFFF	7.54	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BBD

Deuteranopia (green-blind)

#004EB7

Tritanopia (blue-blind)

#00657A

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3149b9;
/* rgb */ color: rgb(49, 73, 185);
/* oklch */ color: oklch(45.8% 0.178 268.9);

Tailwind

colors: {
  custom: {
    50: '#7c7bcf',
    500: '#3149b9',
    950: '#000000',
  },
}

SCSS

$custom: #3149b9;
$custom-light: #7c7bcf;
$custom-dark: #000000;

JSON

{
  "hex": "#3149b9",
  "rgb": {
    "r": 49,
    "g": 73,
    "b": 185
  },
  "hsl": {
    "h": 229.412,
    "s": 58.12,
    "l": 45.882
  },
  "oklch": {
    "l": 0.45846,
    "c": 0.17831,
    "h": 268.9
  },
  "luminance": 0.08921
}

Semantic roles & 50–950 ramp

primary

#3149B9

secondary

#C8BB7D

accent

#C646E1

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #3149B9

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →